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Finding the Fourth Proportional to 63,720.54, 95,449.56 and 37,361.72

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Solution

The fourth proportional to 63,720.54, 95,449.56 and 37,361.72 is: 55,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,720.54 : 95,449.56 = 37,361.72 : x
  2. Step 2: Convert to fraction form
    63,720.54/95,449.56 = 37,361.72/x
  3. Step 3: Cross multiply
    63,720.54x = 95,449.56 × 37,361.72
  4. Step 4: Simplify right side
    63,720.54x = 3,566,159,734.84
  5. Step 5: Solve for x
    x = 3,566,159,734.84/63,720.54
  6. Step 6: Final answer
    x = 55,965.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.